Created
September 23, 2022 10:31
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Check installed version of node.js before running npm start or npm install
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// in package.json | |
/* | |
{ | |
"engines": { | |
"node": ">=16", | |
"npm": ">=7" | |
}, | |
"scripts": { | |
"preinstall": "node checkNodeVersion", | |
"prestart": "node checkNodeVersion", | |
... | |
} | |
} | |
*/ | |
const pjson = require('./package.json'); | |
const WANTED_VERSION = pjson.engines.node.match(/[0-9].*/)[0]; // or use your number | |
const result = process.versions; | |
if (result && result.node) { | |
if (parseInt(result.node) >= WANTED_VERSION) { | |
console.log(`✨ Node Version: ${result.node}`); | |
} else { | |
console.log(`✋ Package installation(npm install) or Project startup command(npm start) failed due to Node Version.`); | |
console.log(`Please install and use Node Version >=${WANTED_VERSION}`); | |
console.log(`Your current Node Version is: ${result.node}`); | |
console.log(` | |
To install Node v${WANTED_VERSION} run: | |
nvm install v${WANTED_VERSION} | |
nvm use v${WANTED_VERSION} | |
`); | |
process.exit(1); | |
} | |
} else { | |
console.log('Something went wrong while checking Node version'); | |
} |
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